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Message   VRSS    All   Simulation of Crashed Boeing 787 Put Focus on a Technical Flaw   July 6, 2025
 7:00 PM  

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Title: Simulation of Crashed Boeing 787 Put Focus on a Technical Flaw

Link: https://tech.slashdot.org/story/25/07/06/2334...

Investigators of a deadly Boeing 787 crash "are studying possible dual engine
failure as a scenario that prevented the Boeing Co. 787 jet from staying
airborne," reports Bloomberg: Pilots from the airline reenacted the doomed
aircraft's parameters in a flight simulator, including with the landing gear
deployed and the wing flaps retracted, and found those settings alone didn't
cause a crash, according to people familiar with the investigation. [Also,
analysis of the wreckage "suggests the wing flaps and slats, which help an
aircraft increase lift during takeoff, were extended correctly."] The result,
alongside the previous discovery that an emergency-power turbine deployed
seconds before impact, has reinforced the focus on a technical failure as one
possible cause, said the people, who asked not to be identified discussing
nonpublic deliberations... [The turbine deploys "in the case of electrical
failure," the article points out, and "was activated before the plane
crashed, according to previous findings. That fan helps provide the aircraft
with vital power, though it's far too small to generate any lift."] Pilots
who reviewed the footage have pointed to the fact that the landing gear was
already partially tilted forward, suggesting the cockpit crew had initiated
the retraction sequence of the wheels. At the same time, the landing-gear
doors had not opened, which pilots say might mean that the aircraft
experienced a loss of power or a hydraulic failure - again pointing to
possible issues with the engines that provide the aircraft's electricity.

Read more of this story at Slashdot.

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